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| Section | Weight | Objectives |
|---|---|---|
| Operations and Monitoring | 20% | - WAN Clarity reports and performance visibility - Configuration management and upgrades - Analytics and reporting for optimization - Monitoring tools, alerts, and event management |
| Troubleshooting | 20% | - Application performance and policy validation - Path selection and security troubleshooting - Using Co-pilot and logs for diagnostics - Connectivity and routing issue resolution |
| Unified SASE Integration | 10% | - Prisma SD-WAN + Prisma Access integration - Identity and IoT integration - ADEM configuration and monitoring |
| Planning and Design | 24% | - Architecture and requirements analysis - Policy design for routing, QoS, NAT, and path selection - Device selection and licensing planning - Network design, high availability, and security requirements |
| Deployment and Configuration | 26% | - Initial setup and onboarding of Prisma SD-WAN devices - Integration with Prisma Access and security services - Routing protocols and segmentation (VRF) - Template configuration and site-specific settings |
SD-WAN-Engineerトレーニング資料は、ユーザーが学習した内容を統合し、多くのトレーニングの瞬間に追加するのに役立つように設計されています。ユーザーは、学習コンテンツの一部を終えた後、学習効果を時間内にテストできます。 SD-WAN-Engineerガイドトレントのトピックを使用して、ユーザーがこの機能の知識の弱点を見つけ、一定の練習を繰り返して、最終的に高い成功率を達成できるようにします。その結果、当社のSD-WAN-Engineer試験問題は、ユーザーがSD-WAN-Engineer試験に合格するための知識を習得できるように、実践内容の完全なセットを形成するように設計されています。
質問 # 47
What is the default action for real-time media applications if link performance is poor?
正解：C
解説：
Comprehensive and Detailed Explanation
According to the Prisma SD-WAN Performance Policy Default Behavior documentation, the default action configured for applications (including real-time media) when a path experiences poor performance (violates the SLA thresholds for latency, jitter, or packet loss) is to Move Flows.
The Prisma SD-WAN ION device continuously monitors the health of all available paths. If the active path for a media application degrades and fails to meet the specified SLA, the default policy dictates that the traffic should be steered (moved) to an alternate, compliant path that meets the performance criteria.
While Forward Error Correction (FEC) is a powerful feature available in Prisma SD-WAN to mitigate packet loss for real-time applications, it is an optional action that must be explicitly enabled or configured within the performance policy rules. It is not the default action in the base system configuration; the primary default mechanism for handling performance issues is to leverage the multi-path fabric to switch to a better link.
Reference: Prisma SD-WAN Administrator's Guide: Performance Policy Default Behavior
質問 # 48
When planning a software upgrade for a large fleet of ION devices, what is the recommended best practice regarding the "Software Version" assigned in the Site Summary?
正解：B
解説：
Comprehensive and Detailed Explanation
The best practice for managing upgrades in a large-scale Prisma SD-WAN environment is the Canary or Phased Rollout approach, utilizing Site Tags.
* Risk Mitigation: Upgrading all sites simultaneously (Option B) is highly risky. If the new software version has an unforeseen bug or compatibility issue with a specific circuit type, the entire network could face an outage.
* Tag-Based Management: Administrators should create tags such as "Upgrade-Phase-1" (Pilot sites) or
"Region-North". By assigning the specific Software Version to the Tag (rather than the individual site or the global default), the controller pushes the update only to that subset of devices.
* Procedure:
* Apply update to "Pilot" tag (5 sites). Monitor for 24-48 hours.
* Apply update to "Region-1" tag (50 sites). Monitor.
* Eventually, update the Global default once confidence is high.
Option A is unscalable, and Option D is incorrect as the administrator retains full control over when upgrades occur; they are not forced automatically without policy configuration.
質問 # 49
An administrator has configured a Path Policy for "ERP_Traffic". The policy allows two public internet links,
"ISP-A" and "ISP-B", both marked as "Active". The Path Quality Profile (SLA) requires a latency of less than
150ms. Currently, both ISP-A and ISP-B have a latency of 40ms, well within the SLA.
How does the Prisma SD-WAN ION determine which link to use for a new flow of "ERP_Traffic" when both active paths meet the SLA requirements?
正解：D
解説：
Comprehensive and Detailed Explanation
Prisma SD-WAN utilizes a sophisticated decision engine for Application-Based Path Selection that goes beyond simple failover. When configuring a Path Policy, the administrator defines "Active" paths and a "Path Quality Profile" (SLA).
* SLA Compliance (The Filter): First, the system filters the available paths based on the Path Quality Profile. In this scenario, both ISP-A and ISP-B have 40ms latency against a 150ms threshold. Both are
"green" or compliant paths.
* Selection Criteria (The Tie-Breaker): When multiple paths are configured as "Active" and all meet the performance SLA, the ION device aims to optimize the overall user experience and network utilization. The default behavior for load balancing across healthy, compliant active paths is to select the path with the highest available bandwidth capacity.
By steering new flows to the link with the most "headroom" (available Mbps), the system prevents the saturation of a smaller link (e.g., a 20Mbps DSL line) while a larger link (e.g., 1Gbps Fiber) sits underutilized.
This maximizes the aggregate throughput for the site. While latency is the qualifier, bandwidth availability is often the selector for compliant paths. Note that if the application was defined as "Real-Time" and configured for packet duplication, behavior would differ, but for standard traffic, capacity-based distribution is the standard active/active logic.
質問 # 50
A customer wants to deploy Prisma SD-WAN ION devices at small home offices that use consumer-grade broadband routers. These routers typically use Symmetric NAT and do not allow static port forwarding.
Which standard mechanism does Prisma SD-WAN utilize to successfully establish direct Branch-to-Branch (Dynamic) VPN tunnels through these Symmetric NAT devices?
正解：C
解説：
Comprehensive and Detailed Explanation
Prisma SD-WAN utilizes STUN (Session Traversal Utilities for NAT) to facilitate NAT Traversal for its Secure Fabric overlay.
Discovery: When an ION device connects to the internet behind a NAT router, it reaches out to the Prisma SD-WAN Controller. The controller acts as a STUN server, identifying the public IP address and port that the ION's traffic is originating from.
Symmetric NAT Challenge: In Symmetric NAT, the mapping changes for every destination. However, the Prisma SD-WAN architecture is designed to handle this by having the controller coordinate the connection attempt.
Hole Punching: The controller shares the discovered public mapping information between two peer ION devices. They then simultaneously initiate traffic to each other's public IP/Port (a technique called "UDP Hole Punching"). This tricks the intermediate NAT devices into allowing the inbound traffic, establishing a direct P2P IPSec tunnel without requiring manual port forwarding or static IPs at the edge.
質問 # 51
When configuring SASE connectivity with easy onboarding at a branch, which two options must be selected?
(Choose two.)
正解：A、B
解説：
Prisma SD-WAN simplifies the integration with Prisma Access through a feature known as "CloudBlades," specifically the Prisma Access for Networks CloudBlade. The "easy onboarding" workflow is designed to automate the complex task of establishing secure tunnels between Branch ION devices and the SASE security processing nodes (SPNs).
When an administrator initiates this process, the system abstracts the manual configuration of IKE and IPSec parameters. Instead of manually defining an IPSec Crypto Profile or an IKE Profile (which are automatically handled by the CloudBlade orchestration), the user must specify where the traffic is going and which physical resources will handle the connection. The Prisma Access Primary Location (Option B) is a mandatory selection because it determines the geographical region and specific compute instance within the Prisma Access cloud that will serve as the primary security gateway for that branch.
Furthermore, the IPSec Termination Node (Option D) must be selected to define the specific endpoint within the Prisma Access infrastructure where the ION device's tunnels will terminate. This selection ensures that the Controller can properly orchestrate the site-to-site VPN tunnels, ensuring that the branch traffic is correctly routed to the SASE fabric for security inspection. By selecting these two options, the CloudBlade can automatically negotiate the rest of the tunnel parameters, significantly reducing the potential for human error and accelerating the deployment of a Secure Access Service Edge (SASE) architecture across multiple branch locations.
質問 # 52
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